From: Avi Kivity <avi@redhat.com>
To: Orit Wasserman <oritw@il.ibm.com>
Cc: Abel Gordon <abelg@il.ibm.com>,
agraf@suse.de, aliguori@us.ibm.com,
Ben-Ami Yassour1 <benami@il.ibm.com>,
joerg.roedel@amd.com, kvm@vger.kernel.org, mdday@us.ibm.com,
Muli Ben-Yehuda <muli@il.ibm.com>
Subject: Re: [RFC] Nested VMX support - kernel
Date: Fri, 21 Aug 2009 18:55:47 +0300 [thread overview]
Message-ID: <4A8EC383.3090302@redhat.com> (raw)
In-Reply-To: <OFDBBDF064.DC1DAFAB-ONC2257617.004B84D2-C2257617.004E92C6@il.ibm.com>
On 08/19/2009 05:18 PM, Orit Wasserman wrote:
>> Why remove the check? It's still needed (presuming root_gfn refers to
>> the guest eptp).
>>
> Here the root_gfn refers to the L2 guest CR3, which L0 can't check for
> validity.
>
Ok. There must be a similar check for GUEST_CR3 or EPT_POINTER.
--
I have a truly marvellous patch that fixes the bug which this
signature is too narrow to contain.
next prev parent reply other threads:[~2009-08-21 15:55 UTC|newest]
Thread overview: 8+ messages / expand[flat|nested] mbox.gz Atom feed top
2009-08-17 13:48 [RFC] Nested VMX support - kernel oritw
2009-08-17 13:48 ` [RFC] Nested VMX support - userspace oritw
2009-08-17 14:24 ` [RFC] Nested VMX support - kernel Roedel, Joerg
2009-08-17 16:52 ` Ben-Ami Yassour1
2009-08-18 9:46 ` Avi Kivity
2009-08-19 14:18 ` Orit Wasserman
2009-08-21 15:55 ` Avi Kivity [this message]
2009-08-21 7:06 ` Qing He
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